Figure 2From: An open trial assessment of "The Number Race", an adaptive computer game for remediation of dyscalculiaPerformance in subtraction before and after training. Subtraction average accuracy (significant main effect of session, p = 0.04). "Rule" items were items such as x-x = 0 or x-0 = x. Small subtrahend items had a subtrahend from 2–4 inclusive, and large subtrahend items had a subtrahend from 5–8 inclusive.Back to article page